Home / 7,455.02-10,288.12-4,097.92

Finding the Fourth Proportional to 7,455.02, 10,288.12 and 4,097.92

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Solution

The fourth proportional to 7,455.02, 10,288.12 and 4,097.92 is: 5,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.02 : 10,288.12 = 4,097.92 : x
  2. Step 2: Convert to fraction form
    7,455.02/10,288.12 = 4,097.92/x
  3. Step 3: Cross multiply
    7,455.02x = 10,288.12 × 4,097.92
  4. Step 4: Simplify right side
    7,455.02x = 42,159,928.68
  5. Step 5: Solve for x
    x = 42,159,928.68/7,455.02
  6. Step 6: Final answer
    x = 5,655.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.